CN201979229U - Triggering control welding head for micro-spot electric welding machine - Google Patents
Triggering control welding head for micro-spot electric welding machine Download PDFInfo
- Publication number
- CN201979229U CN201979229U CN2011200242924U CN201120024292U CN201979229U CN 201979229 U CN201979229 U CN 201979229U CN 2011200242924 U CN2011200242924 U CN 2011200242924U CN 201120024292 U CN201120024292 U CN 201120024292U CN 201979229 U CN201979229 U CN 201979229U
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- pressure sensor
- welding head
- spring
- triggering
- welding machine
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Abstract
The utility model discloses a triggering control welding head for a micro-spot electric welding machine, which comprises a welding head main body and is characterized in that: a pressure sensor is arranged in the welding head main body, one end of the pressure sensor is in transmission connection with a welding force output device, and the other end of the pressure sensor is in transmission connection with a welding head clamp; and a signal leading-out wire of the pressure sensor is connected to a host machine or a control device. Only one pressure sensor and a transmission balancing device are arranged at the inner part of the welding head, and the transmission balancing device consists of a pull rod, a spring and a front shaft. Therefore, the triggering control welding head has a simple structure, is convenient to install and debug, has low machining requirement and high welding precision and is easy to control.
Description
Technical field
The utility model relates to a kind of welding head, especially relates to a kind of little electric spot-welding machine with triggering the control welding head.
Background technology
All electric resistance welding welding machines all will be provided with electric current, time and three welding parameters of pressure.The welding pressure of traditional resistor welding machine all is to set and control by the spring in the welder head, because the structure of spring and the restriction of process technology make the accuracy of spring force lower.And modern times welding work pieces thickness generally below 0.1mm, obviously to guarantee the welding effect of workpiece, spring control can not meet the demands.And the welder head of existing charged sub-sensor complex structure not only, production and processing difficulty height, and also processing and installation accuracy also can directly influence the precision of sensor.
Summary of the invention
At the problems referred to above, it is a kind of simple and reasonable that the utility model provides, and production and processing is easy, high and little electric spot-welding machine that be easy to the control triggering control welding head of welding precision.
The utility model is that the technical scheme that its technical problem of solution is adopted is:
Little electric spot-welding machine comprises the head body with triggering the control welding head, and it is characterized in that: in the described head body pressure sensor is installed, an end of described pressure sensor is provided with first transmission mechanism, and the other end is provided with second transmission mechanism.
Wherein, described pressure sensor is the cross beam type pressure sensor.
Further, be provided with a cavity in the described head body, be fixed with a pin in the described cavity, described pin runs through pressure sensor, make pressure sensor along the pin axial-movement, be arranged with first spring on the pin between described pressure sensor and the cavity madial wall.
As the further improvement of such scheme, described pressure sensor is equipped with first linear bearing, and first linear bearing is located on the pin.
Further, described first transmission mechanism comprises a pull bar, and an end of described pull bar is connected with a pull-rod nut, and is fixed on the pressure sensor by a pressing plate, is arranged with one on the described pull bar and recovers spring.
Further, described second transmission mechanism comprises a front axle, and described front shaft sleeve is contained in the front shaft sleeve, and described front shaft sleeve is fixed on the pressure sensor, and the top of described front axle is provided with second spring, and described second spring is fixed in the front shaft sleeve by a clamp nut.
As the further improvement of such scheme, described front shaft sleeve is provided with second linear bearing.
As the further improvement of such scheme, also be provided with second linear bearing between described front shaft sleeve and the head body.
As the further improvement of such scheme, the lower end of described first spring is provided with first spring guide; The two ends up and down of described recovery spring are respectively arranged with a spring guide.
The beneficial effects of the utility model are: the cross beam type pressure sensor is installed in the welding head of the present utility model, and sensor one end is provided with first transmission mechanism that is connected with the weld force output device; The other end is provided with second transmission mechanism that is connected with welding head holder and the holding wire of sensor is connected to main frame or control device, so that ground is directly passed to main frame or other control circuit to pressure signal, this welding head is simple in structure, Installation and Debugging are convenient, processing request is low, but welding precision is high and be easy to control.
Description of drawings
The invention will be further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is the decomposing schematic representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment.
The specific embodiment
With reference to Fig. 1, Fig. 2, little electric spot-welding machine of the present utility model is with triggering the control welding head, comprise head body 1, one pressure sensor 2 is installed in the described head body 1, adopt the cross beam type pressure sensor in the present embodiment, an end of described pressure sensor 2 is provided with first transmission mechanism, and the other end is provided with second transmission mechanism.
Be provided with a cavity in the above-mentioned head body 1, be fixed with a pin 3 in the described cavity, described pin 3 runs through pressure sensor 2, make pressure sensor 2 along pin 3 axial-movements, be arranged with first spring 31 on the pin 3 between described pressure sensor 2 and the cavity madial wall, described pressure sensor 2 is equipped with first linear bearing 32, first linear bearing 32 is located on the pin 3, first spring 31 is positioned at the top of first linear bearing 32, first spring 31 matches with first linear bearing 32 and can guarantee in the course of work, pressure sensor 2 moves up and down reposefully, and being difficult for taking place deflection influences precision.
Above-mentioned first transmission mechanism comprises a pull bar 4, one end of described pull bar 4 is connected with a pull-rod nut 41, and is fixed on the pressure sensor 2 by a pressing plate 42, is arranged with one on the described pull bar 4 and recovers spring 43,, the other end of described pull bar 4 is connected with the weld force output device; This recovery spring 43 makes pressure sensor 2 be returned to the origin-location after guaranteeing that once welding is finished, and is preparing of welding next time.
Above-mentioned second transmission mechanism comprises a front axle 6, described front axle 6 is sleeved in the front shaft sleeve 5, described front shaft sleeve 5 is fixed on the pressure sensor 2, the below of described front axle 6 is provided with second spring 62, described second spring 62 is fixed in the front shaft sleeve 5 by a clamp nut 63, plays pressure limiting of a buffering and recoil effect; Be arranged with second linear bearing 51 on the described front shaft sleeve 5, the stability of welding head holder during with the assurance welding.
In addition, in order to guarantee the normal straight work of spring, spring guide 33 is set, adds spring guide 44, can effectively prevent the fault that spring is stuck or displacement causes in the both sides of recovering spring 43 in a side of first spring 32.
More than be that preferable enforcement of the present utility model is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite of the utility model spirit, distortion that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (9)
1. little electric spot-welding machine is with triggering the control welding head, comprise head body (1), it is characterized in that: a pressure sensor (2) is installed in the described head body (1), and an end of described pressure sensor (2) is provided with first transmission mechanism, and the other end is provided with second transmission mechanism.
2. little electric spot-welding machine according to claim 1 is with triggering the control welding head, and it is characterized in that: described pressure sensor (2) is the cross beam type pressure sensor.
3. little electric spot-welding machine according to claim 1 and 2 is with triggering the control welding head, it is characterized in that: be provided with a cavity in the described head body (1), be fixed with a pin (3) in the described cavity, described pin (3) runs through pressure sensor (2), make pressure sensor (2) along pin (3) axial-movement, be arranged with first spring (31) on the pin (3) between described pressure sensor (2) and the cavity madial wall.
4. little electric spot-welding machine according to claim 3 is with triggering the control welding head, and it is characterized in that: described pressure sensor (2) is equipped with first linear bearing (32), and first linear bearing (32) is located on the pin (3).
5. little electric spot-welding machine according to claim 1 and 2 is with triggering the control welding head, it is characterized in that: described first transmission mechanism comprises a pull bar (4), one end of described pull bar (4) is connected with a pull-rod nut (41), and be fixed on the pressure sensor (2) by a pressing plate (42), be arranged with one on the described pull bar (4) and recover spring (43).
6. little electric spot-welding machine according to claim 1 and 2 is with triggering the control welding head, it is characterized in that: described second transmission mechanism comprises a front axle (6), described front axle (6) is sleeved in the front shaft sleeve (5), described front shaft sleeve (5) is fixed on the pressure sensor (2), the top of described front axle (6) is provided with second spring (62), and described second spring (62) is fixed in the front shaft sleeve (5) by a clamp nut (63).
7. little electric spot-welding machine according to claim 6 is with triggering the control welding head, and it is characterized in that: described front shaft sleeve (5) is provided with second linear bearing (51).
8. little electric spot-welding machine according to claim 3 is with triggering the control welding head, and it is characterized in that: the lower end of described first spring (31) is provided with first spring guide (33).
9. little electric spot-welding machine according to claim 5 is with triggering the control welding head, and it is characterized in that: the two ends of described recovery spring (43) are respectively arranged with a spring guide (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200242924U CN201979229U (en) | 2011-01-26 | 2011-01-26 | Triggering control welding head for micro-spot electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200242924U CN201979229U (en) | 2011-01-26 | 2011-01-26 | Triggering control welding head for micro-spot electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979229U true CN201979229U (en) | 2011-09-21 |
Family
ID=44606697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200242924U Expired - Fee Related CN201979229U (en) | 2011-01-26 | 2011-01-26 | Triggering control welding head for micro-spot electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201979229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091856A (en) * | 2011-01-26 | 2011-06-15 | 吕华兵 | Trigger control welding head for micro-point electronic welding machine |
-
2011
- 2011-01-26 CN CN2011200242924U patent/CN201979229U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091856A (en) * | 2011-01-26 | 2011-06-15 | 吕华兵 | Trigger control welding head for micro-point electronic welding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20170126 |